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Low concern of ionizing radiations in pregnant operators who take proper precautions, study claims

Medha BaranwalWritten by Medha Baranwal Published On 2022-10-25T20:00:10+05:30  |  Updated On 2022-10-25T20:00:20+05:30
Low concern of ionizing radiations in pregnant operators who take proper precautions, study claims

Israel: There are genuine concerns regarding the risks of ionizing radiation exposure to the fetus during pregnancy. Considering this, many female physicians avoid working in an environment affected by ionizing radiation exposure, like the cath lab, and even exclude training as radiologists or interventional cardiologists.In light of the above consideration, a new study by Ariel Roguin and...

Israel: There are genuine concerns regarding the risks of ionizing radiation exposure to the fetus during pregnancy. Considering this, many female physicians avoid working in an environment affected by ionizing radiation exposure, like the cath lab, and even exclude training as radiologists or interventional cardiologists.

In light of the above consideration, a new study by Ariel Roguin and a research team from Israel has revealed a lack of evidence regarding radiation exposure to interventional radiologists, interventional cardiologists, and electrophysiologists in pregnant women. But the available data indicates a small risk of harm.

Roguin and colleagues, in their review, published in the journal EP Europace, described the low added risk of malformation/cancer in the offspring, discussed several common wrong beliefs, and highlighted gaps in understanding of the risks. They recommend how to further reduce radiation dose, especially in pregnant women.

No studies till now have looked at the risk of spontaneous abortion in women working in the cath lab, and none have reported the risk of other adverse effects, such as birth or fetal defects.

According to the review, exposure to high radiation doses can cause malformations, congenital disabilities, and intellectual impairments, but at amounts that are nearly ten times greater than the safety limits suggested by the National Council on Radiation Protection and Measurements (NCRP) and the American College of Obstetricians and Gynecologists. No increased risk of cancer was seen in studies of children born to radiologic technologists compared to the general population.

In a Spanish case series of one electrophysiologic and four interventional cardiologists, operators showed that with additional protection through overlapping layers of the lead skirt over the abdomen, the risk of the fetus's exposure to ionizing radiation was very low, almost negligible. One retrospective study of a woman who performed neurointerventional procedures before and after her pregnancy found zero fetal radiation exposure with two lead apron skirts; this was without any significant changes in the case volume or fluoroscopy time of the fellow.

The researchers noted that advances in mapping systems in electrophysiology, x-ray machines, and increasing awareness have significantly reduced radiation doses over time. For example, in one study of electrophysiology procedures, there was a decline in the annual recorded occupational doses by about 70% for nurses and physicians.

The authors stress the need for future studies, including long-term follow-up data on health professionals and their children exposed to radiation. Also, there is a need for prospective follow-up studies investigating the influence of radiation on spontaneous abortions and fertility and birth defects, small birth weight, cancer, and learning disabilities in the offspring. Also, studies on men are needed, such as the effect of radiation dose on fertility, child health, and conception, especially in the three months before conception.

Reference:

Majdi Saada, Erick Sanchez-Jimenez, Ariel Roguin, Risk of ionizing radiation in pregnancy: just a myth or a real concern?, EP Europace, 2022;, euac158, https://doi.org/10.1093/europace/euac158



EP Europace pregnancy radiation exposure 
Source : EP Europace
Medha Baranwal
Medha Baranwal

    MSc. Biotechnology

    Medha Baranwal joined Medical Dialogues as an Editor in 2018 for Speciality Medical Dialogues. She covers several medical specialties including Cardiac Sciences, Dentistry, Diabetes and Endo, Diagnostics, ENT, Gastroenterology, Neurosciences, and Radiology. She has completed her Bachelors in Biomedical Sciences from DU and then pursued Masters in Biotechnology from Amity University. She has a working experience of 5 years in the field of medical research writing, scientific writing, content writing, and content management. She can be contacted at  editorial@medicaldialogues.in. Contact no. 011-43720751

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